This fish finder is designed for amateur, professional fishermen and fishing enthusiast to find out the fish location and to determine the depth of the water. With the latest advanced wireless sonar detection technology, it can display the water temperature, fish size and water bottom contour, water depth, bringing you more fun when fishing. It can be used in the river, lake, or the sea.

Features:
Get the approximate location of fish and the depth of water, underwater contour, water temperature, fish size, fish alarm, battery indicator.
Dot matrix LCD display with adjustable LED back-lighting brightness.
Depth reading from 2.0 to 120ft.
Wireless sonar sensor, provides 90 degrees beam angle and searches fish in large area.
Wireless operating range within 260ft.
Simulation mode helps you to learn how to operate the fish finder before fishing.
Compact size easily fits your palm and pocket, very convenient.

Specifications:
Display: 128* 128 dot matrix LCD
Display Contrast: 10%-100%
Backlight: White LED
Depth Range: 0.6-36m / 2.0 - 120ft
Wireless Operating Range: 80m / 260ft
Sonar Frequency: 125KHz
Sonar Beam Angle: 90 degree
Radio Frequency: 2.4GHz
Fishfinder Power Source: 4 * AAA battery (not included)
Sonar Sensor Power: Rechargeable 3.7V polymer battery
Operating Temperature: -10~+70°C